The solar nebula origin of (486958) Arrokoth, a primordial contact binary in the Kuiper BeltOPEN ACCESS
By W. B. McKinnon, D. C. Richardson, J. C. Marohnic, J. T. Keane, W. M. Grundy, D. P. Hamilton, D. Nesvorný, O. M. Umurhan, T. R. Lauer, K. N. Singer, S. A. Stern, H. A….
Color, composition, and thermal environment of Kuiper Belt object (486958) Arrokoth
By W. M. Grundy, M. K. Bird, D. T. Britt, J. C. Cook, D. P. Cruikshank, C. J. A. Howett, S. Krijt, I. R. Linscott, C. B. Olkin, A. H. Parker, S. Protopapa, M. Ruaud,…
The geology and geophysics of Kuiper Belt object (486958) Arrokoth
By J. R. Spencer, S. A. Stern, J. M. Moore, H. A. Weaver, K. N. Singer, C. B Olkin, A. J. Verbiscer, W. B. McKinnon, J. Wm. Parker, R. A. Beyer, J. T. Keane, T….
In situ analysis of platinum group elements in equilibrated ordinary chondrite kamacite and taenite
Cosette M. Gilmour, Christopher D. K. Herd Meteoritics & Planetary Science First Published: 29 February 2020 LINK “Platinum group element (PGE) concentrations have been determined in situ in ordinary chondrite kamacite and taenite grains via…
Iron whiskers on asteroid Itokawa indicate sulfide destruction by space weatheringOPEN ACCESS
Toru Matsumoto, Dennis Harries, Falko Langenhorst, Akira Miyake & Takaaki Noguchi Nature Communications, Volume 11, Article number: 1117 (2020) LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Extraterrestrial iron sulfide is a major mineral reservoir of the…
Observations, meteorites, and models: A pre‐flight assessment of the composition and formation of (16) Psyche
L.T. Elkins‐Tanton, E. Asphaug, J. F. Bell III, H. Bercovici, B. Bills, R. Binzel, W. F. Bottke, S. Dibb, D. J. Lawrence, S. Marchi, T. J. McCoy, R. Oran, R. S. Park, P. N. Peplowski,…
Hemolithin: a Meteoritic Protein containing Iron and LithiumOPEN ACCESS
Malcolm. W. McGeoch, Sergei Dikler, Julie E. M. McGeoch PDF (OPEN ACCESS) “This paper characterizes the first protein to be discovered in a meteorite. Amino acid polymers previously observed in Acfer 086 and Allende meteorites…
Extraterrestrial amino acids and L‐enantiomeric excesses in the CM2 carbonaceous chondrites Aguas Zarcas and Murchison
Daniel P. Glavin, Jamie E. Elsila, Hannah L. McLain, José C. Aponte, Eric T. Parker, Jason P. Dworkin, Dolores H. Hill, Harold C. Connolly, Dante S. Lauretta Meteoritics & Planetary Science First Published: 25 February…
Formation of lunar highlands anorthosites
Xiaoqing Xu, Hejiu Hui, Wei Chen, Shichun Huang, Clive R. Neal, Xisheng Xu Earth and Planetary Science Letters Volume 536, 15 April 2020, 116138 LINK “Highlights • We report major and trace element contents of…
Zhob (18.96 kg, H3-4, S2) registered as witnessed fall in Zhob District, Balochistan, Pakistan on 9 January 2020
LINK “Zhob 31°22’N, 69°34’E Baluchistan, Pakistan Confirmed fall: 2020 Jan 9 Classification: Ordinary chondrite (H3-4) History: (Michael Farmer, Arizona) A bright fireball followed by sonic booms was seen and heard around the northern part of…
Mass Distributions of Meteorites
Alberto S Betzler, Ernesto P Borges Monthly Notices of the Royal Astronomical Society, staa521 Published: 21 February 2020 LINK “For at least five decades the study of the mass distribution of meteorites has been carried…
The properties of cm–sized iron meteoroids
Vlastimil Vojáček, Jiří Borovička, Pavel Spurný, David Čapek Planetary and Space Science LINK “Highlights • Eight iron meteoroids were found among 220 fireball spectra. • cm-sized iron meteoroids have diverse asteroidal orbits. • According to…
Unique angrite-like fragments in a CH3 chondrite reveal a new basaltic planetesimal
Ai-Cheng Zhang, Noriyuki Kawasaki, Minami Kuroda, Yang Li, Hua-Pei Wang, Xue-Ning Bai, Naoya Sakamoto, Qing-Zhu Yin, Hisayoshi Yurimoto Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 19 February 2020 LINK “Most meteorites are…
Dwell time at high pressure of meteorites during impact ejection from Mars
T.J. Bowling, B.C. Johnson, S.E. Wiggins, E.L. Walton, H.J.Melosh, T.G. Sharp Icarus In Press, Journal Pre-proof, Available online 13 February 2020 LINK “Highlights • We simulate impacts to investigate the dwell time of Martian meteorites….
Altered primary iron sulfides in CM2 and CR2 carbonaceous chondrites: Insights into parent body processes
S. A. Singerling, A. J. Brearley Meteoritics & Planetary Science First Published: 13 February 2020 LINK “The presence of primary iron sulfides that appear to be aqueously altered in CM and CR carbonaceous chondrites provides…
Iron isotope evidence for very rapid accretion and differentiation of the proto-EarthOPEN ACCESS
Martin Schiller, Martin Bizzarro, and Julien Siebert Science Advances 12 Feb 2020: Vol. 6, no. 7, eaay7604 DOI: 10.1126/sciadv.aay7604 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Nucleosynthetic isotope variability among solar system objects provides insights into…
A compositionally heterogeneous martian mantle due to late accretionOPEN ACCESS
Simone Marchi, Richard J. Walker and Robin M. Canup Science Advances 12 Feb 2020: Vol. 6, no. 7, eaay2338 DOI: 10.1126/sciadv.aay2338 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The approximately chondritic estimated relative abundances of highly…
Antarctic meteorite recovery during BELARE 2019-2020 – 66 finds (1-889 g /~ 8.28 kg)
Last update: 26 January 2021 LINK “Following successful recovery missions in 2009-2010, 2010-2011, 2012-2013, and 2018-2019, an international team of Belgian, Turkish and Japanese scientists has recovered 66 meteorites in the 2019-2020 season, totaling more…
Velocity distribution of larger meteoroids and small asteroids impacting EarthOPEN ACCESS
Esther Drolshagen, Theresa Ott, Detlef Koschny, Gerhard Drolshagen, Anna Kristiane Schmidt, Björn Poppe Planetary and Space Science In Press, Journal Pre-proof, Available online 11 February 2020 LINK PDF (OPEN ACCESS) “Highlights • The velocity distribution…
Linking asteroids and meteorites to the primordial planetesimal populationOPEN ACCESS
Richard C. Greenwood, Thomas H. Burbine, Ian A. Franchi Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 11 February 2020 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “Meteorites provide a unique insight into early…
Galactic cosmic ray effects on iron and nickel isotopes in iron meteoritesOPEN ACCESS
David L. Cook, Ingo Leya, Maria Schönbächler Meteoritics & Planetary Science LINK (OPEN ACCESS) PDF (OPEN ACCESS) “We present model calculations for cosmogenic production rates in order to quantify the potential effects of spallation and…
A Two Year Survey for VLF Emission from FireballsOPEN ACCESS
C. Y. Sung, P. Brown, R. Marshall accepted for publication in Planetary and Space Science PDF (OPEN ACCESS) “Here we report on a two year continuous survey to examine possible VLF signals associated with meteors…
The violent collisional history of aqueously evolved (2) Pallas
Michaël Marsset, Miroslav Brož, Pierre Vernazza, Alexis Drouard, Julie Castillo-Rogez, Josef Hanuš, Matti Viikinkoski, Nicolas Rambaux, Benoît Carry, Laurent Jorda, Pavel Ševeček, Mirel Birlan, Franck Marchis, Edyta Podlewska-Gaca, Erik Asphaug, Przemyslaw Bartczak, Jérôme Berthier, Fabrice…
Carbon isotopic evolution of aqueous fluids in CM chondrites: Clues from in-situ isotope analyses within calcite grains in Yamato-791198
Wataru Fujiya, Yuto Aoki, Takayuki Ushikubo, Ko Hashizume, Akira Yamaguchi Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 10 February 2020 LINK “We report the variability in carbon and oxygen isotopic compositions, chemical…
A model of the 3-μm hydration band with Exponentially Modified Gaussian (EMG) profiles: Application to hydrated chondrites and asteroids
S. Potin, S. Manigand, P. Beck, C. Wolters, B. Schmitt Icarus In Press, Journal Pre-proof, Available online 7 February 2020 “Highlights • Exponentially Modified Gaussians are used to model the shape of the 3-μm band….
Atom probe tomography of space‐weathered lunar ilmenite grain surfacesOPEN ACCESS
Jennika Greer, Surya. S. Rout, Dieter Isheim, David N. Seidman, Rainer Wieler, Philipp R. Heck Meteoritics & Planetary Science First published: 06 February 2020 LINK (OPEN ACCESS) PDF (OPEN ACCESS) “The surfaces of airless bodies,…
Effect of the surface shape of a large space body on its fragmentation in a planetary atmosphereOPEN ACCESS
Daniil E Khrennikov, Andrei K Titov, Alexander E Ershov, Andrei B Klyuchantsev, Vladimir I Pariev, Sergei V Karpov Monthly Notices of the Royal Astronomical Society, staa330 LINK PDF (OPEN ACCESS) (updated: 5 October 2020) “Employing…
On the possibility of through passage of asteroid bodies across the Earth’s atmosphereOPEN ACCESS
Daniil E Khrennikov, Andrei K Titov, Alexander E Ershov, Vladimir I Pariev, Sergei V Karpov Monthly Notices of the Royal Astronomical Society, staa329 LINK Update (29 September 2020): PDF (OPEN ACCESS) “We have studied the…
Cadmium isotopes in chondrites and acid leachates: Nucleosynthetic homogeneity and a monitor for thermal neutron capture effects
Eniko R. Toth, Manuela A. Fehr, Matthias Friebel, Maria Schönbächler Geochimica et Cosmochimica Acta In Press, Journal Pre-proof, Available online 6 February 2020 LINK “Nucleosynthetic isotope variations are well documented for refractory elements in meteorites…
Machiite, Al2Ti3O9, a new oxide mineral from the Murchison carbonaceous chondrite: A new ultra-refractory phase from the solar nebula
Alexander N. Krot, Kazuhide Nagashima, George R. Rossman American Mineralogist (2020) 105 (2): 239–243. LINK “Machiite (IMA 2016-067), Al2Ti3O9, is a new mineral that occurs as a single euhedral crystal, 4.4 μm in size, in…
Analyses of radionuclides in the Oued Awlitis 001 and Galb Inal lunar meteorites by HPGe gamma-ray spectrometry
Pavel P. Povinec, Ivan Sýkora, Ludovic Ferrière, Christian Koeberl Journal of Radioanalytical and Nuclear Chemistry, pp 1–9 LINK “Highly sensitive nondestructive HPGe gamma-ray spectrometry was used for the analysis of the cosmogenic (26Al) and primordial…
Examining the compositions of impactors striking the Moon using Apollo impact melt coats and anorthositic regolith breccia meteorites
Eleanor C. McIntosh, James M.D. Day, Yang Liu, Courtney Jiskoot Geochimica et Cosmochimica Acta Available online 1 February 2020 LINK “Impactors striking the Moon since the formation of its crust have left an indelible imprint…
Meteoritical Bulletin updates
- Oued El Hamim 003 (Eucrite)
- Northwest Africa 18237 (Ureilite)
- Northwest Africa 18222 (Ureilite)
- Northwest Africa 18223 (Eucrite)
- Northwest Africa 18205 (H3)
- Northwest Africa 18206 (Eucrite-melt breccia)
- Northwest Africa 18122 (Eucrite)
- Ganq 027 (L3)
- Dalangtan 004 (H3)
- Northwest Africa 18188 (LL3)
- Hammadah al Hamra 348 (Ureilite)
- Gadamis 010 (Angrite)
- Northwest Africa 18184 (CV3)
- Northwest Africa 18180 (H3)
- Northwest Africa 18181 (L3)
- Sabkhat Arryd 002 (Eucrite-pmict)
- Northwest Africa 18183 (Eucrite-melt breccia)
- Yagan 003 (LL3)
- Northwest Africa 18164 (CK3)
- Northwest Africa 18163 (Winonaite)
